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x+3y = -10 -----(i)
x-2y= 10 -------(ii)
By elimination method
Subtracting eq(ii) from eq(i) we get
x+3y= -10
-x+2y=-10
__________
5y =-20
y= -4 -------(iii)
Putting the value of y in eq (ii) we get
x+8=10
x=2
Now
x=2
y=-4
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